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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 8170831 | Apparatus and method for measuring dimension of circular object The invention provides an apparatus and a method for measuring a dimension of a circular object. First to third sensors arranged in a straight line are disposed above a track to respectively measure time instants when the circular object moves past the first to thir... | 05/01/2012 |
| 7890292 | Method and system for measuring a diameter, and assembly line employing this system This method for measuring the diameter of a circular track on a component comprises: a) a step (162) of moving the component along a measurement path, b) as the component is moving along the measurement path, a measurement step (170), for measuring at ... | 02/15/2011 |
| 7756671 | Method of timing a remarkable angular position of a sensor carried by a tire A method of timing a remarkable angular position (θR) of at least one sensor (12) carried by a tire (10) rotating relative to an external frame of reference. The following steps are performed: forming, from an output signal from the sensor ... | 07/13/2010 |
| 7328125 | Measuring method of cylindrical body A measuring method of a shape of a cross-sectional circle which is orthogonal to an axis of a cylinder includes steps of calculating distances between a reference point and points on a circumference on the basis of change of the distances of at least three predeterm... | 02/05/2008 |
| 7315794 | Timber survey process and apparatus A timer survey system performing the steps of: placing a first reference point and a second reference point on a tree trunk, wherein an actual distance between the first reference point and the second reference point is a known distance, “A1”; capturi... | 01/01/2008 |
| 7278305 | Apparatus for detecting hunting and angle of attack of a rail vehicle wheelset An apparatus and method for estimating the angle of attack of wheels, wheelsets, trucks and railway vehicles traveling over a track employing a wayside system having a plurality of sensors, adjacent to the rails of the track, for detecting the passing of each wheels... | 10/09/2007 |
| 7200514 | Method for detecting straight-ahead driving based on information on the rotational speed of a wheel The present invention relates to a method of detecting straight-ahead driving according to a first straight-ahead driving detection method based on information on the rotational speed of a wheel by way of memorizing a curve parameter in a learning phase, in particul... | 04/03/2007 |
| 7174271 | Tire radial force variation prediction method It is possible to significantly reduce a prediction error of the high-speed RFV and the high-speed TFV in a tire having a large PRO growth amount at high speed. Three or more sample tires are extracted from each lot. The PRO and RFV are measured and the least-square... | 02/06/2007 |
| 7140119 | Measurement of form of spherical and near-spherical optical surfaces Rotational motions between a displacement-measuring probe and an optical test surface define a spherical or near spherical datum surface against which measurements of the probe are taken. The probe has a measurement axis that is maintained substantially normal to th... | 11/28/2006 |
| 7126384 | Peak detection circuit with double peak detection stages A peak detection circuit with double peak detection stages includes an analog peak detector, an analog-to-digital converter (ADC), and a digital peak detector. The analog peak detector receives an analog input signal, detects a peak value of the analog input signal ... | 10/24/2006 |
| 7096150 | Method and apparatus for correcting tire nonuniformity A method and apparatus 100 for correcting tire nonuniformity is disclosed. The invention is particularly suited for correcting tread runout and connicity problems for large off-road tires. Multiple measurements are taken in multiple circumferentially spaced p... | 08/22/2006 |
| 7084882 | Method to provide smoothness for road geometry data at intersections A method for representing shapes of road segments is disclosed. The shape of a portion of road that spans at least one intersection is represented using a single continuous non-uniform B-spline. The single continuous non-uniform B-spline is divided into separate sec... | 08/01/2006 |
| 7084399 | Ion beam apparatus and sample processing method For the sake of realizing high throughput and high processing position accuracy in an ion beam apparatus, two kinds of ion beams for processing are prepared of which one is a focusing ion beam for high image resolution and an edge processing ion beam of large beam c... | 08/01/2006 |
| 7055367 | Calibration of a probe A method of calibrating an analogue probe (10) having a stylus (12) with a workpiece-contacting tip (14) or a non-contact probe (26). A calibration artefact such as a calibration sphere (16) is mounted on a coordinate measuring mac... | 06/06/2006 |
| 7058539 | Devices relating to rolled product A code applying device is provided which can efficiently manufacture an information recording paper roll having a code relating to the information recording paper. The code applying device includes a tubular body holding section which holds a tubular body and can ro... | 06/06/2006 |
| 7034742 | Road curvature estimation and automotive target state estimation system A first Kalman filter estimates true measures of yaw rate and vehicle speed from associated noisy measures thereof generated by respective sensors in a host vehicle, and a second Kalman filter estimates therefrom parameters of a clothoid model of road curvature. Mea... | 04/25/2006 |
| 7032740 | Device for sensing the wear state of wheels or rollers The invention relates to a device and a method for automatically sensing the wear state of movable wheels or rollers (1) in conveying systems, for example baggage conveying systems. It achieves the object of easily and reliably sensing the wear state in an au... | 04/25/2006 |
| 7026637 | Method and system for measuring runout of a rotating tool A method, system, and computer program product for measuring runout of a rotating tool are provided. A rotating tool is illuminated with a coherent electromagnetic radiation. The tool has an axis and a reflective surface, and completes a rotation in one period. The ... | 04/11/2006 |
| 7003758 | System and method for lithography simulation There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a technique of, and system for simulating, verifying, inspecting, characterizing, determining and/or evaluating the lithographic designs, techniques and/o... | 02/21/2006 |
| 6993435 | Method and device for the automatic determination of the diameter of a round disk-like tool driven by a motor For the automatic determination of the diameter of a tool, particularly a saw blade for an automatic wall saw, which is driven by a motor via a gear unit, the moment of inertia of the tool is used as an indicator for its diameter. Three basic solution variants are i... | 01/31/2006 |
| 6925194 | Curved lane recognizing method in road modeling system The present invention provides a method for recognizing a curved lane, the method comprising: dividing an image processing range into an upper range and a lower range if photographs of lane images are supplied; and modeling straight lines in the two divided image pr... | 08/02/2005 |
| 6917895 | Method for determination of roll density A method for determining roll density in connection with a web reel. A known relation between the length (l), diameter (D), basis weight (b) and density (ρ) of the wound roll, formula (1) is used. Distortions caused in the measurement results by noise and other dis... | 07/12/2005 |
| 6901675 | System and method for sizing a center bore of a laminated rotor A system and method of sizing an inner diameter of the center bore of a laminated rotor is provided. The inner diameter of the center bore is determined by taking a series of measurements in the center bore with an electronic gauge and then analyzing the measurement... | 06/07/2005 |
| 6882956 | Lapping plate topography system A lapping plate topography system includes a measuring apparatus for measuring the surface of a lapping plate, and an analysis apparatus for analyzing and presenting the data resulting from such measurements. The measurement apparatus has a non-contacting capacitive... | 04/19/2005 |
| 6813585 | Method and device for measuring length, area or volume A device and a method for determining length, area, and/or volume using a distance measuring device 10 includes a transmit unit 18 and a receive unit 20 in one housing, a keypad 28 for operating the measuring device 10, and an inte... | 11/02/2004 |
| 6787378 | Method for measuring height of sphere or hemisphere A method is provided that allows a simple and inexpensive apparatus to measure the uniformity of the height-directional positions of spheres or hemispheres such as bump electrodes of a semiconductor device. The degree of focus is calculated from an image of bump ele... | 09/07/2004 |
| 6690991 | Machine control gage system performing roundness measuring function A machine control gage system has a control unit, which analyzes roundness of a workpiece. The control unit controls a grinding machine controller in such a manner as to machine the workpiece to a desired size according to data measured by a measuring hea... | 02/10/2004 |
| 6622113 | Method and apparatus for detecting and computing tape reel radius using low-resolution angular position sensors A method and apparatus for detecting and computing tape reel radius using low-resolution angular position sensors is disclosed. Tape reels are driven at a constant velocity, a complete resolution of the tape reels is detected using coarse commutation sens... | 09/16/2003 |
| 6617599 | Apparatus and method for automated indexing of a nuclear gauge The invention provides a method and apparatus for facilitating calibration of a nuclear gauge by automating the movement of a source rod between a plurality of source rod positions. The apparatus can include a linearly moveable member, such as a threaded ... | 09/09/2003 |
| 6487501 | System for preventing lane deviation of vehicle and control method thereof A system for preventing lane deviation of a vehicle and a control method thereof are provided, in which control is performed to prevent the vehicle from inadvertently deviating from a lane. The system comprises a detector including a lane marker detector ... | 11/26/2002 |
| 6467181 | Device for measuring radius of grindstone in grinding machine A radius of a rotating grindstone is specified by a new means with a simple structure out of contact with the rotating grindstone. In a grinding machine that numerically controls a feed shaft (x-axis) of a wheel spindle stock, a device comprises a non-con... | 10/22/2002 |
| 6434509 | Method and apparatus for measuring displacement of object using GPS Relative vector between an observation receiver located at an object and a reference receiver are divided into long period variation components not dependent on object displacements and short period variation components dependent on object displacements, ... | 08/13/2002 |
| 6405152 | Precision calipering system Apparatus and method for counting the number of inserts pulled each cycle from each hopper of an inserting machine. The caliper is a precision mechanism for accurately counting single, double, triple, quadruple and even quintuple fed inserts as well as mi... | 06/11/2002 |
| 6397165 | Microscopic corner radius measurement system A measurement tool connects to a microscope for identifying and measuring microscopic dimensions of features on a photographic mask such as area, diameter and corner radius. Dimensions of features having sizes of less than about twice the wavelength being... | 05/28/2002 |
| 6393376 | Method of determining a roadway curve radius A curve radius of a roadway is determined by measuring the difference in wheel speed of at least two vehicle wheels and the rate of yaw of the vehicle, and hence the curve radius, is determined therefrom. The wheel speeds are determined by measuring the t... | 05/21/2002 |
| 6175813 | Circumferential diameter measuring apparatus and method An apparatus and method for automatically measuring the diameter of a part. A part to be measured is rotated through a plurality of measurement positions by an angle of rotation. A measuring device measures the radial distance from a surface point at each... | 01/16/2001 |
| 6138084 | Radius of curvature detecting apparatus and the method thereof A radius of curvature detecting apparatus and method of a vehicle for detecting a radius of curvature of a curve based on road information obtained from a vehicle navigation system comprises, three-points detection of a first point, a second point and a t... | 10/24/2000 |
| 6138083 | Surface contaminant probe A light scattering Mueller matrix for an irregular particle placed on a plane interface is derived using the process of the present invention. The relationships discovered in this derivation are unique because they are independent of the particle shape, a... | 10/24/2000 |
| 6052631 | Method and system for facilitating vehicle inspection to detect previous damage and repairs Computer-based methods and systems for facilitating the inspection of a vehicle to detect the presence of prior damage and problems with previous repair are provided. Exemplary embodiments provide an inspection facilitator, which includes an inspection en... | 04/18/2000 |
| 5884240 | Apparatus for measuring and recording a tree characteristic An apparatus for measuring and storing a tree characteristic that preferably is tree diameter and other data related to location, variety and grade of a tree being measured. The apparatus has a handle, a wand extending therefrom, and a measurement head ca... | 03/16/1999 |